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Whereas "shiplift" is the word that is normally used, the term used by Lloyd's register is "Mechanical Lift Dock". There are two different kinds of platform design, the articulated and the rigid. [1] The articulated platform has hinged connections between the main and the longitudinal beams. A rigid platform, the beams are bolted or welded ...
Heavy lift ship transporting oil platform in Shetland. In transportation, heavy lift refers to the handling and installation of heavy items which are indivisible, and of weights generally accepted to be over 100 tons and of widths/heights of more than 100 meters. These oversized items are transported from one place to another (sometimes across ...
However lift-on/lift-off vessels can load and unload their own cargo unassisted. Lift-on/lift-off vessels can operate out of docks with no dockside cargo handling equipment. "In May 2010 the Office of Naval Research (ONR) conducted a ... at-sea demonstration of their Large Vessel Interface Lift-on/Lift-off (LVI Lo/Lo) crane system in sea state ...
A heavy-lift ship is a vessel designed to move very large loads that cannot be transported by normal ships. They are of two types: Semi-submersible ships that take on water ballast to allow the load—usually another vessel—to be floated over the deck, whereupon the ballast is jettisoned and the ship's deck and cargo raised above the ...
During World War I the Navy created the Section patrol (SP) and identification number (ID) system to register civilian vessels for naval acquisition. The ID series can be considered a forerunner of the current auxiliary hull numbering system, and some ships with ID numbers were later given 'A' hull symbols.
A semi-submersible platform is a specialised marine vessel used in offshore roles including as offshore drilling rigs, safety vessels, oil production platforms, and heavy lift cranes. They have good ship stability and seakeeping , better than drillships .
Jackup platforms have been the most popular and numerous of various mobile types in existence. The total number of jackup drilling rigs in operation numbered about 540 at the end of 2013. The tallest jackup rig built to date is the Noble Lloyd Noble, completed in 2016 [ 3 ] with legs 214 metres (702 feet) tall.
The Syncrolift shiplift is a piece of equipment for lifting boats, ships and vessels onto land and back at sea for maintenance work or repair.. The vessel is maneuvered over a submerged cradle, which is then lifted by a set of synchronized hoists or winches.